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This OEM Carrier contactor (part number HN52KC053) is the factory-specified high-voltage relay for the Carrier 09DE098230. The contactor is one of the most critical components in any split-system or packaged unit — it acts as the high-voltage switch that the thermostat's 24V control signal uses to engage the compressor and condenser fan. When the contactor fails, the most common symptoms are an air conditioner that won't turn on at all, a system that runs continuously without cycling off, or visible pitting and burning on the contactor's contact points.
Compatibility: Designed as a direct OEM replacement for Carrier model 09DE098230. Always verify coil voltage, pole count, and amperage rating against your unit's data plate and wiring diagram before ordering. Not sure it fits? Our HVAC parts specialists verify fitment for every order — contact us before you buy.